CVE-2026-74460can: ems_usb: validate CPC message lengths
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 702171adeed3607ee9603ec30ce081411e36ae42 builds before 1c380a332e342b7d58c86c4f556cb0823b16a9b8; from 702171adeed3607ee9603ec30ce081411e36ae42 before bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6; from 702171adeed3607ee9603ec30ce081411e36ae42 before db5655287d78f00daf98888a520bb8da4d30126d; from 702171adeed3607ee9603ec30ce081411e36ae42 before ce8125566b1d0b0f16449407e014addf451804ea; 702171adeed3607ee9603ec30ce081411e36ae42 builds before 0b9090717c7e2184e2c427bbcc752f295116ac1d; 702171adeed3607ee9603ec30ce081411e36ae42 builds before 0b23144c59c126beb4a7761a85a194ae0fe668a5; from 702171adeed3607ee9603ec30ce081411e36ae42 before df3ac2a672a5284441f120d486acabdd6740fc2a; 702171adeed3607ee9603ec30ce081411e36ae42 builds before 02925f51377f2a42a6724f00549167499c9302e5 | CNA record |
References
- https://git.kernel.org/stable/c/1c380a332e342b7d58c86c4f556cb0823b16a9b8
- https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6
- https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d
- https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea
- https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d
- https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5
- https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a
- https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.